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Full text of "The manufacture and properties of iron and steel"

384
METALLURGY OF IRON AND STEEL.
TABLE XVII-W. Classification of Basic Heats According to Content of Sulphur.
NOTE.—In the last column, a value of 770 pounds is given to 0.01 per cent, of carbon, and 1000 pounds to 0.01 per cent, of phosphorus; manganese is rated as shown in Table XVII-V.
		Chemical composition. •				Ultimate strength ;	
	-2	per cent.				pounds per sq.. in.	
	03						
Limits of carbon ; ' per cent.	<H O t* &	.	i	i o S.	B	Actual	After deducting for carbon,
		J8	&	bo	H	records.	phosphorus,
	§		o	i	•a		and man-
	*	o	PH	a	02		ganese.
	45	0.0361	0.0074	0.163	0.0225	45978	43458
Below 0.075	46	0.0418	0.0077	0.212	0.0283	46337	42348
	44	0.0575	0.0096	0.356	0.0380	47923	41896
	74	0.1225	0.0078	0.434	0.0258	51524	39463
	103	0.1571	0.0089	0.444	0.0332	56027	40823
0.075 to 0.224	112	0.1786	0.0114	0.466	0.0391	58944	41363
	105	0.1790	0.0115	0.461	0.0482	58767	41326
	110	0.1696	0.0129	0.441	0.0632	58139	41552
	115	0.2754	0.0083	0.453	0.0298	66333	41206
0.225 to 0.374	113 89	0.2693 0.2679	0.0097 0.0114	0.458 0.464	0.0365 0.0434	66194 66307	41360 41293
	98	0.2583	0.0149	0.504	0.0563	66334	41005
FIG. XVII-F. EFFECT OF SULPHUR ON BASIC STEEL.
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